A257699 - cp's OEIS frontend

A257699 Number of steps from n to 0 using this algorithm: x -> floor(r*x) if x is odd, and x -> floor(x/r) if x is even, where r = 5/2.

n	a(n)
1	2
2	1
3	7
4	3
5	5
6	2
7	6
8	8
9	10
10	4
11	14
12	4
13	6
14	6
15	10
16	3
17	5
18	7
19	13
20	9
21	11
22	9
23	13
24	11
25	13
26	5
27	13
28	15
29	17
30	5
31	9
32	5
33	7
34	7
35	13
36	7
37	9
38	11
39	15
40	4
41	6
42	4
43	18
44	6
45	8
46	8
47	12
48	14
49	16
50	10
51	16
52	10
53	12
54	12
55	16
56	10
57	12
58	14
59	22
60	12
61	14
62	12
63	16
64	14
65	16
66	6
67	12
68	14
69	16
70	16
71	20
72	16
73	18

[2, 1, 7, 3, 5, 2, 6, 8, 10, 4, 14, 4, 6, 6, 10, 3, 5, 7, 13, 9, 11, 9, 13, 11, 13, 5, 13, 15, 17, 5, 9, 5, 7, 7, 13, 7, 9, 11, 15, 4, 6, 4, 18, 6, 8, 8, 12, 14, 16, 10, 16, 10, 12, 12, 16, 10, 12, 14, 22, 12, 14, 12, 16, 14, 16, 6, 12, 14, 16, 16, 20, 16, 18]

cp's OEIS Frontend

A257699 Number of steps from n to 0 using this algorithm: x -> floor(r*x) if x is odd, and x -> floor(x/r) if x is even, where r = 5/2.

Table of values

List of values

n	a(n)
1	2
2	1
3	7
4	3
5	5
6	2
7	6
8	8
9	10
10	4
11	14
12	4
13	6
14	6
15	10
16	3
17	5
18	7
19	13
20	9
21	11
22	9
23	13
24	11
25	13
26	5
27	13
28	15
29	17
30	5
31	9
32	5
33	7
34	7
35	13
36	7
37	9
38	11
39	15
40	4
41	6
42	4
43	18
44	6
45	8
46	8
47	12
48	14
49	16
50	10
51	16
52	10
53	12
54	12
55	16
56	10
57	12
58	14
59	22
60	12
61	14
62	12
63	16
64	14
65	16
66	6
67	12
68	14
69	16
70	16
71	20
72	16
73	18

n	a(n)
1	2
2	1
3	7
4	3
5	5
6	2
7	6
8	8
9	10
10	4
11	14
12	4
13	6
14	6
15	10
16	3
17	5
18	7
19	13
20	9
21	11
22	9
23	13
24	11
25	13
26	5
27	13
28	15
29	17
30	5
31	9
32	5
33	7
34	7
35	13
36	7
37	9
38	11
39	15
40	4
41	6
42	4
43	18
44	6
45	8
46	8
47	12
48	14
49	16
50	10
51	16
52	10
53	12
54	12
55	16
56	10
57	12
58	14
59	22
60	12
61	14
62	12
63	16
64	14
65	16
66	6
67	12
68	14
69	16
70	16
71	20
72	16
73	18

n	a(n)
1	2
2	1
3	7
4	3
5	5
6	2
7	6
8	8
9	10
10	4
11	14
12	4
13	6
14	6
15	10
16	3
17	5
18	7
19	13
20	9
21	11
22	9
23	13
24	11
25	13
26	5
27	13
28	15
29	17
30	5
31	9
32	5
33	7
34	7
35	13
36	7
37	9
38	11
39	15
40	4
41	6
42	4
43	18
44	6
45	8
46	8
47	12
48	14
49	16
50	10
51	16
52	10
53	12
54	12
55	16
56	10
57	12
58	14
59	22
60	12
61	14
62	12
63	16
64	14
65	16
66	6
67	12
68	14
69	16
70	16
71	20
72	16
73	18